/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2013-2014 sagyf Yang. The Four Group.
 */

var validatorKit = {
    provinceAndCitys: {11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "内蒙古", 21: "辽宁", 22: "吉林", 23: "黑龙江",
        31               : "上海", 32: "江苏", 33: "浙江", 34: "安徽", 35: "福建", 36: "江西", 37: "山东", 41: "河南", 42: "湖北", 43: "湖南", 44: "广东",
        45               : "广西", 46: "海南", 50: "重庆", 51: "四川", 52: "贵州", 53: "云南", 54: "西藏", 61: "陕西", 62: "甘肃", 63: "青海", 64: "宁夏",
        65               : "新疆", 71: "台湾", 81: "香港", 82: "澳门", 91: "国外"},

    powers: ["7", "9", "10", "5", "8", "4", "2", "1", "6", "3", "7", "9", "10", "5", "8", "4", "2"],

    parityBit: ["1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2"],

    genders: {male: "男", female: "女"},

    checkAddressCode: function (addressCode) {
        var check = /^[1-9]\d{5}$/.test(addressCode);
        if (!check) return false;
        return !!validatorKit.provinceAndCitys[parseInt(addressCode.substring(0, 2))];
    },

    checkBirthDayCode: function (birDayCode) {
        var check = /^[1-9]\d{3}((0[1-9])|(1[0-2]))((0[1-9])|([1-2][0-9])|(3[0-1]))$/.test(birDayCode);
        if (!check) return false;
        var yyyy = parseInt(birDayCode.substring(0, 4), 10);
        var mm = parseInt(birDayCode.substring(4, 6), 10);
        var dd = parseInt(birDayCode.substring(6), 10);
        var xdata = new Date(yyyy, mm - 1, dd);
        if (xdata > new Date()) {
            return false;//生日不能大于当前日期
        } else return !!(( xdata.getFullYear() == yyyy ) && ( xdata.getMonth() == mm - 1 ) && ( xdata.getDate() == dd ));
    },

    getParityBit: function (idCardNo) {
        var id17 = idCardNo.substring(0, 17);
        var power = 0;
        for (var i = 0; i < 17; i++) {
            power += parseInt(id17.charAt(i), 10) * parseInt(validatorKit.powers[i]);
        }
        var mod = power % 11;
        return validatorKit.parityBit[mod];
    },

    checkParityBit: function (idCardNo) {
        var parityBit = idCardNo.charAt(17).toUpperCase();
        return validatorKit.getParityBit(idCardNo) == parityBit;
    },

    checkIdCardNo  : function (idCardNo) {
//15位和18位身份证号码的基本校验
        var check = /^\d{15}|(\d{17}(\d|x|X))$/.test(idCardNo);
        if (!check) return false;
//判断长度为15位或18位
        if (idCardNo.length == 15) {
            return validatorKit.check15IdCardNo(idCardNo);
        } else if (idCardNo.length == 18) {
            return validatorKit.check18IdCardNo(idCardNo);
        } else {
            return false;
        }
    },
//校验15位的身份证号码
    check15IdCardNo: function (idCardNo) {
//15位身份证号码的基本校验
        var check = /^[1-9]\d{7}((0[1-9])|(1[0-2]))((0[1-9])|([1-2][0-9])|(3[0-1]))\d{3}$/.test(idCardNo);
        if (!check) return false;
//校验地址码
        var addressCode = idCardNo.substring(0, 6);
        check = validatorKit.checkAddressCode(addressCode);
        if (!check) return false;
        var birDayCode = '19' + idCardNo.substring(6, 12);
//校验日期码
        return validatorKit.checkBirthDayCode(birDayCode);
    },
//校验18位的身份证号码
    check18IdCardNo: function (idCardNo) {
//18位身份证号码的基本格式校验
        var check = /^[1-9]\d{5}[1-9]\d{3}((0[1-9])|(1[0-2]))((0[1-9])|([1-2][0-9])|(3[0-1]))\d{3}(\d|x|X)$/.test(idCardNo);
        if (!check) return false;
//校验地址码
        var addressCode = idCardNo.substring(0, 6);
        check = validatorKit.checkAddressCode(addressCode);
        if (!check) return false;
//校验日期码
        var birDayCode = idCardNo.substring(6, 14);
        check = validatorKit.checkBirthDayCode(birDayCode);
        if (!check) return false;
//验证校检码
        return validatorKit.checkParityBit(idCardNo);
    },
    formateDateCN  : function (day) {
        var yyyy = day.substring(0, 4);
        var mm = day.substring(4, 6);
        var dd = day.substring(6);
        return yyyy + '-' + mm + '-' + dd;
    },
//获取信息
    getIdCardInfo  : function (idCardNo) {
        var idCardInfo = {
            gender  : "", //性别
            birthday: "" // 出生日期(yyyy-mm-dd)
        };
        if (idCardNo.length == 15) {
            var aday = '19' + idCardNo.substring(6, 12);
            idCardInfo.birthday = validatorKit.formateDateCN(aday);
            if (parseInt(idCardNo.charAt(14)) % 2 == 0) {
                idCardInfo.gender = validatorKit.genders.female;
            } else {
                idCardInfo.gender = validatorKit.genders.male;
            }
        } else if (idCardNo.length == 18) {
            var aday = idCardNo.substring(6, 14);
            idCardInfo.birthday = validatorKit.formateDateCN(aday);
            if (parseInt(idCardNo.charAt(16)) % 2 == 0) {
                idCardInfo.gender = validatorKit.genders.female;
            } else {
                idCardInfo.gender = validatorKit.genders.male;
            }
        }
        return idCardInfo;
    },

    getId15: function (idCardNo) {
        if (idCardNo.length == 15) {
            return idCardNo;
        } else if (idCardNo.length == 18) {
            return idCardNo.substring(0, 6) + idCardNo.substring(8, 17);
        } else {
            return null;
        }
    },

    getId18: function (idCardNo) {
        if (idCardNo.length == 15) {
            var id17 = idCardNo.substring(0, 6) + '19' + idCardNo.substring(6);
            var parityBit = validatorKit.getParityBit(id17);
            return id17 + parityBit;
        } else if (idCardNo.length == 18) {
            return idCardNo;
        } else {
            return null;
        }
    }
};
//验证护照是否正确
function checknumber(number) {
    var str = number;
//在JavaScript中，正则表达式只能使用"/"开头和结束，不能使用双引号
    var exp = /(P\d{7})|(G\d{8})/;
    var objExp = new RegExp(exp);
    return objExp.test(str) == true;
}